com.alcatel_lucent.nz.wnmsreport.chart.TimeSeriesIuRChartCustomiser.java Source code

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Here is the source code for com.alcatel_lucent.nz.wnmsreport.chart.TimeSeriesIuRChartCustomiser.java

Source

package com.alcatel_lucent.nz.wnmsreport.chart;

/*
 * This file is part of wnmsreport.
 * 
 * wnmsextract is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 * 
 * wnmsextract is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
import java.awt.BasicStroke;
import java.awt.Stroke;

import net.sf.jasperreports.engine.JRAbstractChartCustomizer;
import net.sf.jasperreports.engine.JRChart;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendItemCollection;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;

public class TimeSeriesIuRChartCustomiser extends JRAbstractChartCustomizer {

    public final Stroke stroke_normal = new BasicStroke(1f);
    public final Stroke stroke_dashed = new BasicStroke(1f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 10f,
            new float[] { 5f, 3f }, 0f);

    /**
     * Customiser method for IuR charts which sets first data line as a 
     * dashed line and removes it from the legend since it is a 
     * threshold
     */
    public void customize(JFreeChart chart, JRChart jasperchart) {
        customise(chart, jasperchart);
    }

    public void customise(JFreeChart chart, JRChart jasperchart) {
        XYPlot xyplot = chart.getXYPlot();
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) xyplot.getRenderer();
        XYDataset xyDataset = xyplot.getDataset();
        LegendItemCollection legend = xyplot.getLegendItems();
        LegendItemCollection revised = new LegendItemCollection();

        if (xyDataset != null) {
            for (int i = 0; i < xyDataset.getSeriesCount(); i++) {
                if (i < 1) {
                    //make line 1 dashed
                    renderer.setSeriesStroke(i, stroke_dashed);
                } else {
                    //make other lines filled and add to new legend
                    renderer.setSeriesStroke(i, stroke_normal);
                    revised.add(legend.get(i));
                }
                renderer.setSeriesLinesVisible(i, true);
            }
        }
        xyplot.setFixedLegendItems(revised);
    }

}